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18 Nov 2019
Will have 90 minutes to complete this exam. and report answers with the correct units and number of significant for full credit. A periodic table is included on the last page of the exam. PV = nRT R = 0.082063 L middot atm/mol middot K 1 atm = 760 mmHg 1 L middot atm = 101.3 J h = 6.626 times 10^-34 J^-s Hydrogen gas is produced by the reaction of Zn(s) with HCl(aq) according to the following balanced chemical equation: Zn(s) + 2 HCl(aq) rightarrow ZnCl_2(aq) + H_2(g) a. If 0.105 g of zinc are reacted with an excess of hydrochloric acid at STP (0 degree C and 1.00 atm), what volume of hydrogen gas is produced, in liters?
Will have 90 minutes to complete this exam. and report answers with the correct units and number of significant for full credit. A periodic table is included on the last page of the exam. PV = nRT R = 0.082063 L middot atm/mol middot K 1 atm = 760 mmHg 1 L middot atm = 101.3 J h = 6.626 times 10^-34 J^-s Hydrogen gas is produced by the reaction of Zn(s) with HCl(aq) according to the following balanced chemical equation: Zn(s) + 2 HCl(aq) rightarrow ZnCl_2(aq) + H_2(g) a. If 0.105 g of zinc are reacted with an excess of hydrochloric acid at STP (0 degree C and 1.00 atm), what volume of hydrogen gas is produced, in liters?
Hubert KochLv2
9 Apr 2019